html {
    background-color: #666;
}

body {
    background-color: #fff;
    padding: 50px 0;
    margin: 0 auto;
    width: 80vw;
    min-height: calc(100vh - 100px);
    text-align: center;
}


hr {
    width: 80%;
    height: 3px;
    background-color: black;
    margin: 50px auto;
}


section {
    display: inline-block;
    width: 30%;
    vertical-align: top;
}

ul {
    text-align: left;
    list-style: inside;
    padding-left: 8px;
}